# MCP TypeScript SDK (official)

> The official TypeScript SDK for MCP servers and clients, now at v2 for the 2026-07-28 specification.

## Facts
- **Category:** [MCP Servers](https://agentsearchengine.app/category/mcp-servers)
- **Type:** SDK / library
- **Pricing:** Open source
- **GitHub stars:** 13,443
- **Language:** TypeScript
- **License:** MIT AND Apache-2.0
- **Last repo activity:** today (Sep 23, 2026)
- **Official site:** https://ts.sdk.modelcontextprotocol.io/v2
- **Source code:** https://github.com/modelcontextprotocol/typescript-sdk
- **Listing on Agent Search Engine:** https://agentsearchengine.app/agents/mcp-typescript-sdk
- **Data verified:** September 2026

## Best for
TypeScript developers building MCP servers or clients on the reference implementation.

## About MCP TypeScript SDK (official)
The official MCP TypeScript SDK's v2 line, the stable release, implements the 2026-07-28 specification with separate server and client packages and optional middleware for Node.js HTTP, Express and Fastify. Version 1.x receives bug fixes and security updates for at least six months after v2's release.

## Install

```
npm install @modelcontextprotocol/server
```

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